Methyl [(4Z)-4-[(dimethylamino)methylene]-1-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-3-yl]acetate CAS 1379821-56-3
| CAS No. | 1379821-56-3 |
| Molecular Formula | C16H19N3O4 |
| Molecular Weight | 317.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H19N3O4, Methyl [(4Z)-4-[(dimethylamino)methylene]-1-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-3-yl]acetate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 317.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Methyl [(4Z)-4-[(dimethylamino)methylene]-1-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-3-yl]acetate (CAS 1379821-56-3), a certified reference material (molecular formula C16H19N3O4, MW 317.34 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl [(4Z)-4-[(dimethylamino)methylene]-1-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-3-yl]acetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H19N3O4 |
| Molecular Weight | 317.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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